diff --git a/source/gui/ObjectTypes/CMiniMap.cpp b/source/gui/ObjectTypes/CMiniMap.cpp
index de8884fca9..dfaacc4618 100644
--- a/source/gui/ObjectTypes/CMiniMap.cpp
+++ b/source/gui/ObjectTypes/CMiniMap.cpp
@@ -59,8 +59,6 @@
 #include <cmath>
 #include <vector>
 
-extern bool g_GameRestarted;
-
 namespace
 {
 
diff --git a/source/main.cpp b/source/main.cpp
index 4d92ddc8cc..c5ecd824c9 100644
--- a/source/main.cpp
+++ b/source/main.cpp
@@ -103,9 +103,6 @@ that of Atlas depending on commandline parameters.
 
 extern CStrW g_UniqueLogPostfix;
 
-// Marks terrain as modified so the minimap can repaint (is there a cleaner way of handling this?)
-bool g_GameRestarted = false;
-
 // Determines the lifetime of the mainloop
 enum ShutdownType
 {
@@ -461,8 +458,6 @@ static void Frame()
 
 	g_Profiler.Frame();
 
-	g_GameRestarted = false;
-
 	LimitFPS();
 }
 
diff --git a/source/ps/Game.cpp b/source/ps/Game.cpp
index 1105168b0e..3962bfa2fd 100644
--- a/source/ps/Game.cpp
+++ b/source/ps/Game.cpp
@@ -54,7 +54,6 @@
 
 #include <fstream>
 
-extern bool g_GameRestarted;
 extern GameLoopState* g_AtlasGameLoop;
 
 /**
@@ -344,8 +343,6 @@ PSRETURN CGame::ReallyStartGame()
 	if (CProfileManager::IsInitialised())
 		g_Profiler.StructuralReset();
 
-	g_GameRestarted = true;
-
 	return 0;
 }
 
diff --git a/source/ps/tests/stub_impl_hack.h b/source/ps/tests/stub_impl_hack.h
index 96b4d40a19..a54ccbfefe 100644
--- a/source/ps/tests/stub_impl_hack.h
+++ b/source/ps/tests/stub_impl_hack.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2018 Wildfire Games.
+/* Copyright (C) 2021 Wildfire Games.
  * This file is part of 0 A.D.
  *
  * 0 A.D. is free software: you can redistribute it and/or modify
@@ -20,8 +20,6 @@
 // usually defined by main.cpp, used by engine's scripting/ScriptFunctions.cpp,
 // must be included here to placate linker.
 
-bool g_GameRestarted;
-
 bool IsQuitRequested()
 {
 	return false;